package job_003;

public class If {

	public static void main(String[] args) {
		
			int a=3;
			if(a==1)
				System.out.println("a=1");
			else if(a==2)
				System.out.println("a=2");
			else if(a==3)
				System.out.println("a=3");
			else
				System.out.println("都不属于。");
		
	}

}
